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Anza Recommends Solana Mainnet Validators Upgrade to Agave 4.0, Reducing Turbine Retry Latency to Approximately 0.8ms

1 hours ago

On May 18, Solana development firm Anza announced a formal recommendation for mainnet validators to upgrade to Agave 4.0. This update brings key improvements: XDP support for Turbine, QUIC-only TPU data access, a faster replay stage, and multiple SIMD features that will roll out in this cycle. Anza noted that production testing with large mainnet validators found XDP cut Turbine retransmit latency from about 600ms to roughly 0.8ms, giving Solana critical performance breathing room to scale to 1 billion compute units (CUs) per block. Additionally, Agave 4.0 completely removes UDP transaction access, making QUIC the sole transaction submission method. The update also shifts PoH entry validation and Ed25519 signature verification off the critical path, processing those tasks asynchronously to boost replay stage performance. This upgrade will also gradually roll out several SIMD features, including p-token—an SPL Token alternative that frees up approximately 13% of block capacity—Stake Program v5, SBPFv3 support, prefunded account creation, and the BLS12-381 syscall.
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Senior U.S. Official: Iran's Latest Proposal Not Sufficient to Reach Agreement

May 18 — U.S. media outlet AXIOS reports, citing a senior U.S. official and an insider, that Iran has submitted an updated ceasefire proposal. But the White House views this plan as lacking substantive improvements and insufficient to reach a workable agreement. A separate U.S. official added that while Trump wants to finalize a deal to end the conflict, Iran has rejected many of his key demands and refused to make meaningful concessions on its nuclear program. As a result, Trump is considering resuming military action. These officials noted that if Iran doesn’t adjust its position, the U.S. will have to “negotiate with bombs.” “The truth is, we haven’t made much real progress here,” the senior U.S. official told AXIOS. “The Iranians need to show some sincerity. We need a genuine, robust, detailed dialogue focused on their nuclear program. If that kind of dialogue can’t happen, we’ll have to have that conversation through bombs — and that would be deeply regrettable.”

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U.S. Stock Market's Three Major Indexes All Decline, U.S. Official Says Iran's Latest Proposal Insufficient to Reach Agreement

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Aave Upgrades SavingsGHO Vault to 4.25% APR, Original stkGHO Rewards to End After 7 Weeks

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Foreign Media Reveals Progress in US-Iran Negotiations: Persistent Differences but Limited Breakthrough, Trump's Patience Under Pressure

May 18 — Multiple media reports indicate that U.S.-Iranian negotiations on key issues remain at an impasse, with the two sides still holding significant differences over core matters including the nuclear program, terms for ending hostilities, and unfreezing Tehran’s frozen assets, though limited adjustments have been made to some technical arrangements. Sources say the U.S., in its latest proposal, has offered to permit Iran to conduct restricted peaceful nuclear activities under International Atomic Energy Agency (IAEA) supervision and is considering phased unfreezing roughly a quarter of Iran’s frozen offshore assets. For its part, Iran is insisting on full sanctions removal and the return of all related assets, while opposing any linkage between the nuclear issue and ceasefire conditions. In terms of the negotiation framework, Iran has put forward a plan to accept a long-term freeze of its nuclear program but has rejected complete dismantlement; Tehran also proposes transferring

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Hyperliquid defies AI Giant IPO Craze to Surge, HYPE Sees 69% Year-to-Date Gain

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Pump.fun has increased its transfer of SOL to CEX to 174,400 tokens, worth nearly $15 million.

May 18: Per EmberCN’s monitoring, Pump.fun transferred a total of 174,400 SOL to Kraken today, valued at roughly $14.76 million.

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